package catalogue

import (
	"strings"
	"testing"
)

// The paths a module's tree is taken from are the union its artifacts name, cleaned and sorted, and only when every
// artifact names some (novox/hq ADR 0499 clause 2); a module with an artifact that names none, or with none at all,
// keeps its directory's tree.
func TestAModulesNamedPathsAreTheUnionWhenEveryArtifactNamesThem(t *testing.T) {
	m := Manifest{Module: "a", Build: &Build{Artifacts: []Artifact{
		{Name: "lib", Kind: ArtifactPackage, Paths: []string{"src/", "package.json"}},
		{Name: "tools", Kind: ArtifactBundle, Paths: []string{"./src", "tools"}},
	}}}
	paths, every := m.NamedPaths()
	if !every || strings.Join(paths, ",") != "package.json,src,tools" {
		t.Fatalf("NamedPaths = %v, %v; want [package.json src tools], true", paths, every)
	}
	m.Build.Artifacts = append(m.Build.Artifacts, Artifact{Name: "img", Kind: ArtifactImage, From: "Dockerfile"})
	if paths, every := m.NamedPaths(); every || paths != nil {
		t.Fatalf("a module with an artifact naming no path gave %v, %v", paths, every)
	}
	if paths, every := (Manifest{Module: "b"}).NamedPaths(); every || paths != nil {
		t.Fatalf("a module that builds nothing gave %v, %v", paths, every)
	}
}